/Engine/Source/Editor/Sequencer/Public/MVVM/ViewModels/SequenceModel.h
typedef TMulticastDelegate_TwoParams< void, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FEditorViewModel](API\Editor\SequencerCore\MVVM\ViewModels\FEditorViewModel) >, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FSequenceModel](API\Editor\Sequencer\MVVM\ViewModels\FSequenceModel) > > FOnInitializeSequenceModel